Multiply.-9x2(x3 + 5x - 9)
A. -9x5 + 14x3 - 18x2
B. -9x5 - 14x3 + 18x2
C. -9x5 - 45x3 + 81x2
D. -9x5 + 45x3 - 81x2
Answer: C
Mathematics
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A. {-3, 3} B. {-7, - 1} C. {-7} D. {- 1}
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